Dish-washer.



No.860,804. PATENTED JULY 23, 1907.

0.0.HESGOX.

DISH WASHER AP1LIOATION FILED mm. 25. 1904.

' s SHEETS-SHEET 1.

624/195 Q /%e5c0x Witnesses. INVEHTOR By /W HIS ATTORNEY No. 860,804. PATENTED JULY 23, 1907. G. 0. HESOOX.

DISH WASHER.

APPLICATION FILED FEB. 25. 1904.

a SHEETS-SHEET 2.

Czar/6.5 Q/{rcax Witnesses INVENTOR HI-S ATTORNEY CHARLES O. HESGOX, OF TACOMA, WASHINGTON.

DISH-WASHER.

Specification of Letters Patent.

Patented July 23, 1907.

Application filed February 26, 1904. Serial No- 196,227.

To all whom it may concern:

Be it known that 1, CHARLES O. HEsoox, a citizen of the United States, residing at Tacoma, in the county of Pierce and State of Washington, have invented certain new and useful Improvements in Dish-Washers, of which the following is a specification.

My invention relates to dish washing machines and consists of improvements in that style of dish washing machines patented by W. E. Leonard and myself on July 19th, 1898, and numbered 607,515; by means of these improvements I have been able to overcome the deficiencies of said machine, more particularly in preventing the leakage of water along the dasher rod, and in the means for actuating the dasher. I

My invention is illustrated in the accompanying drawings, in which Figure l is a perspective view of my machine. Fig. 2 is a vertical section thereof. Fig. 3 is a perspective view, partly in section, of the operating spring mechanism. Fig. 4 is a partial side view of the cam operating mechanism. Fig. 5 is a perspective view of the dasher pipe. Fig. 6 is a plan of the operator spring mechanism, and Fig. 7 is an enlarged sectional view of a part of the dasher.

Similar numerals of reference refer to similar parts throughout the several views.

The dish pan 1 is cylindrical and is provided with an inverted conical bottom 2. The upper rim of the pan 1 is bent to form a shoulder 3 around the pan, into which the cover or lid 4 fits, said cover being preferably hinged to the pan 1 and is also provided with a suitable handle 5.

The pan 1 is hung from the shoulder 3 by a strap 6 which passes entirely around the pan but which is not secured thereto, the said strap having sockets 7 secured thereto at suitable points to receive the ends of the legs 8 which support the entire machine.

The legs 8 are secured together below the pan l by the outer frame pieces 9 which form a frame which independently supports the dasher operating mechanism.

Within the pan 1 is placed the dish tray consisting of arms 10 arranged radially on the bottom 2 of the pan and having fingers 11 projecting upward to which are secured by any suitable means the wires 12 extending in circular or spiral form around the pan. A wire network 13 is secured to the bottom 2 of the pan around the dasher space in order to keep small dishes, silverware, etc., from getting under the dasher when it is in operation. The arms 10 are all secured at their outer ends to the galvanized iron band 14 which fits loosely in the pan 1 and which is strengthened by the wire 15 soldered to its upper edge. The glass and cup holders 16 and 17 extend almost vertically upward from the band 14.

The holders 17 are placed in front of the holders 16 and are tilted therefrom at their upper ends but are secured together at their lower ends. These holders do not form an essential part of my invention and are only illustrated and briefly described'to complete the machine, it being understood that any device which will hold such articles in an inverted position and which may be otherwise adapted for this machine may be used therein without affecting my invention.

The silverwarebasket 19 rests on the innermost wire 12 of the dish tray and is made of wire netting, open at the top and provided with a central hole in its bottom through which the dasher operating tube passes.

The catch basin 20 is secured to the apex of the inverted conical bottom 2 by the bolts 21 passing through it and through a reinforcing ring 22 on the inner side of the bottom 2. The ring 22 projects over the sides of the catch basin 20 and has its central opening only slightly larger than the dasher pipe. A large waste pipe 23 closed by any suitable means leads from the catch basin 20.

A vertical stationary pipe 24 is screwed into a hole in the bottom of the basin 20 and extends upward-therefrom, inside the pan, to a point about on a level with the shoulders 3, and is open at the top and bottom The dasher rod 25 fits loosely'in the pipe 24 and extends from below the pan where it is secured to the driving mechanism, to a point above and beyond the pipe 24 and is provided at its upper end with an enlargement 26, screw threaded on its outer surface, which screws into the upper end of the dasher pipe 27 which is outside of the stationary pipe 24 thus securing the dasher rod 25 within the pipe 24 to the dasher pipe 27 (iutside of the pipe 24. Slots 29 are made in the pipe 27 at points above the usual height of the water in the pan so that if any water enters between the pipes 24 and 27 it will return into the pan through the slots 29 before it reaches the top of the stationary pipe 24.

The dasher 28 is secured to the lower end of the pipe 27 and is of a generally conical shape and provided with conical holes 30 through it, said holes having their larger diameters lowermost. The central portion of the dasher is shaped to fit the ring 22 and to hold and retain the rubber buffer 31 which is adapted to strike the ring 22 before the dasher reaches the bottom 2.

The above mentioned dasher rod 25 is secured at its lower end to the cross head 32 which is also provided with projections 33 and 34 on each side of the rod 25. The-projection 33 has one arm 55 of the torsional spring mechanism pivoted to it so as to act downwards thereon to force the dasher down when it has been elevated and released, while the other projection 34 is engaged by the end of the walking beam 61 which is actuated at its other end in the opposite direction by the other arm 54 of the same torsional spring mechanism which therefore also acts downwards on the cross head 32 The above mentioned arms 54 and 55 and the torsional spring mechanism and the walking beam 61 constitute the dasher actuating mechanism while the devices about to be described for elevating the dasher against the action of the said actuating mechanism constitute the operating mechanism. This operating mechanism consists of a lever 35 engaging at one end the projection 34, and is pivoted at its center to the piece 36 secured to the frame in such a manner as to allow a slight movement. The other end of the lever 35 fits loosely in a socket 37 secured to the vertical operating rod 38.

The bar 39 extends across the frame formed by the pieces 9 and is provided with an extension 40 therefrom. The supporting bracket bar 41 is secured to the end of the extension 40 and passes vertically therefrom beside the pan 1, and is secured to the band 6 by means of a bracket 42. This bracket bar supports the entire operating mechanism from the frame of the machine and is entirely independent of any connection with the pan. The bar f 41 is also provided with guides 43 so as to guide the rod 38 in its vertical movements.

The rod 38 is provided at its upper end with a head 44 carrying a roller 45 to be engaged and pressed downward by the cam wheel of the operating mechanism.

The handwheel 46 is journaled to the bracket 41 and has a handle 47 secured to its outer surface. The shaft of the wheel 46 extends through the journal casting mounted on the bracket bar 41 and has a pinion 48 mounted thereon on the inner side of the bar 41. The same journal casting also has a shaft secured thereto and extending inwards therefrom on which is-mounted the gear 49 engaged by the pinion 48. The gear 49 carries the cam 50 which is in line with and adapted to engage the roller 45 of the head 44 of the rod 38. The

shape of the cam 50 is such that as it turns on its axis the outer edge at the point where it engages the roller 45 constantly recedes from its axis for almost a complete rotation and then it returns practically radially ,to the point of beginning. Thus as the cam turns the spring actuating mechanism is given full play to re turn the dasher 28 to the bottom and all of the parts to their relaxed positions. 1

The interior cross bar 51 of the frame extends between the frames 9 and has a short bar 51 extending between it and the parallel frame 9 said short bar being parallel with and a short distance from the bar 39 The two bearing castings 52 are socured at opposite points to one of. the frames 9 and to the short bar 51" respectively and hold between them the rod 53 of the torsional spring mechanism, which is. free to turn in said bearing castings. The arm 54 above mentioned is secured to one end of the rod H 77' but is loose thereon. A pipe 56 is loosely mounted on the rod 53 between the arms 54 and 55 A torsional spring 57 is coiled around the pipe 56 having one end secured to the pipe by a pin 58 and the other end extending outward and engaging the loose arm 55 The pipe 56 is adjustably secured to the rod 53 by a pin 59 which passes through a hole in said parts and the tightness of the spring may be regulated by removing the pin 59 from the hole and twisting the pipe 56 in one direction or the other relatively to the rod 53 and then pinning the parts tioned. The arm-54 has a socket 60 formed at its end adapted to receive the ball in the end of the walking beam 61. This walking arm 61 is pivoted at its center to the piece 6211,..which is loosely mounted on the bar 51 of the frame. The other end of the walking beam engages the projection 34 of the crosshead 32 as above mentioned.

Having described my invention, what I claim is:

1 Ida dish washer, the combination with a dish pan adapted to receive dishes and water, of a stationary tube secured in said dish pan and having open ends, a pipe surrounding said tube and adapted to slide thereon and having slots cut in its sides above the normal water height and below the top of said tube, a dasher secured to the lower end of said pipe; and means for operating said pipe and dasher.

2. In :1 dish washer, the combination of a frame, a dish pan mounted thereon, a vertically acting dasher therein, a rod secured to said dasher and passing outside of and below said pan, :1 walking beam pivoted to-the frame and connected at one end to the rod, a spring acting on both the ends of'said walking beam in opposite directions to force said rod downwards, a lever pivoted to the frame and engaging the rod and acting against said spring, and a rotating cam having a sudden release and actuating said lever to raise the dasher and allowing said spring to return the-dasher when said cam releases said lever.

V Signed at Tacoma this 19th day of February, 1904.

,CHARLES 0. HESCOX. Witnesses:

W. E. Wmirson, Fnnnnmc J. SHAW.

The arm 55 is mounted on the rod 53 

